Home / 196,860,882.72-295,034,482.78-142,456,720.80

Finding the Fourth Proportional to 196,860,882.72, 295,034,482.78 and 142,456,720.80

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Solution

The fourth proportional to 196,860,882.72, 295,034,482.78 and 142,456,720.80 is: 213,499,220.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,860,882.72 : 295,034,482.78 = 142,456,720.80 : x
  2. Step 2: Convert to fraction form
    196,860,882.72/295,034,482.78 = 142,456,720.80/x
  3. Step 3: Cross multiply
    196,860,882.72x = 295,034,482.78 × 142,456,720.80
  4. Step 4: Simplify right side
    196,860,882.72x = 42,029,644,939,762,864
  5. Step 5: Solve for x
    x = 42,029,644,939,762,864/196,860,882.72
  6. Step 6: Final answer
    x = 213,499,220.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.